Phthalein

//ˈθeɪliːn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any of a range of lactones formed by the reaction of phenols with phthalic anhydride.

Etymology

By surface analysis, phthal(ic) + -ein.

Related phrases

phenol phthaleinphthalic anhydride

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.